Update utils.py

utils.py

@@ -83,10 +83,17 @@ class StockDataFetcher:
           return None
 
     def fetch_option_chain(self, symbol):
+      if symbol.upper() == "BANKNIFTY":
+        symbol = "nifty-bank"
       response = requests.get(self.option_chain + symbol, headers=self.headers)
       data = response.json()['optionChain']['optionChains']
       ltp = response.json()['livePrice']['value']
-      index_ltp = requests.get(self.latest_index_price + symbol.upper() + "/latest", headers=self.headers).json()['value']
+
+      if symbol == "nifty-bank":
+        index_ltp = requests.get(self.latest_index_price + "BANKNIFTY" + "/latest", headers=self.headers).json()['value']
+
+      if symbol.upper() == "NIFTY":
+        index_ltp = requests.get(self.latest_index_price + "NIFTY" + "/latest", headers=self.headers).json()['value']
 
       chain = []
       for i in range(len(data)):